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S8P1.e
Distinguish between changes in matter as physical/chemical
Term | Definition |
---|---|
physical change | a characteristic of a substance that does not involve a chemical change, such as density, color, hardness |
chemical change | a change that occurs when one or more substances change into entirely new substances with different properties |
chemical reaction | one or more substances change to produce one or more different substances |
precipitate | a solid that is produced as a result of a chemical reaction in solution |
combustion reaction | a chemical reaction that occurs when oxygen combines with other substances |